40211233 has 2 divisors, whose sum is σ = 40211234. Its totient is φ = 40211232.

The previous prime is 40211209. The next prime is 40211243. The reversal of 40211233 is 33211204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38787984 + 1423249 = 6228^2 + 1193^2 .

It is a cyclic number.

It is not a de Polignac number, because 40211233 - 2⁹ = 40210721 is a prime.

It is not a weakly prime, because it can be changed into another prime (40211203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20105616 + 20105617.

It is an arithmetic number, because the mean of its divisors is an integer number (20105617).

Almost surely, 2^40211233 is an apocalyptic number.

It is an amenable number.

40211233 is a deficient number, since it is larger than the sum of its proper divisors (1).

40211233 is an equidigital number, since it uses as much as digits as its factorization.

40211233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40211233 is about 6341.2327665841. The cubic root of 40211233 is about 342.5961383199.

Adding to 40211233 its reverse (33211204), we get a palindrome (73422437).

The spelling of 40211233 in words is "forty million, two hundred eleven thousand, two hundred thirty-three".